Home / 18,213.08-25,133.66-10,146.70

Finding the Fourth Proportional to 18,213.08, 25,133.66 and 10,146.70

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Solution

The fourth proportional to 18,213.08, 25,133.66 and 10,146.70 is: 14,002.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.08 : 25,133.66 = 10,146.70 : x
  2. Step 2: Convert to fraction form
    18,213.08/25,133.66 = 10,146.70/x
  3. Step 3: Cross multiply
    18,213.08x = 25,133.66 × 10,146.70
  4. Step 4: Simplify right side
    18,213.08x = 255,023,707.92
  5. Step 5: Solve for x
    x = 255,023,707.92/18,213.08
  6. Step 6: Final answer
    x = 14,002.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.